GB8428718D0 - Proportional rule device - Google Patents

Proportional rule device

Info

Publication number
GB8428718D0
GB8428718D0 GB848428718A GB8428718A GB8428718D0 GB 8428718 D0 GB8428718 D0 GB 8428718D0 GB 848428718 A GB848428718 A GB 848428718A GB 8428718 A GB8428718 A GB 8428718A GB 8428718 D0 GB8428718 D0 GB 8428718D0
Authority
GB
United Kingdom
Prior art keywords
rule device
proportional rule
proportional
rule
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB848428718A
Other versions
GB2167015A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith C G
Original Assignee
Smith C G
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smith C G filed Critical Smith C G
Priority to GB08428718A priority Critical patent/GB2167015A/en
Publication of GB8428718D0 publication Critical patent/GB8428718D0/en
Publication of GB2167015A publication Critical patent/GB2167015A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/12—Square and pivoted straightedges
    • B43L7/125—Comprising at least two straightedges remaining parallel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/12—Square and pivoted straightedges
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/58—Baseboards, masking frames, or other holders for the sensitive material
    • G03B27/582—Baseboards, easels
GB08428718A 1984-11-14 1984-11-14 Proportional rule device for defining an area on a plane surface Withdrawn GB2167015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08428718A GB2167015A (en) 1984-11-14 1984-11-14 Proportional rule device for defining an area on a plane surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08428718A GB2167015A (en) 1984-11-14 1984-11-14 Proportional rule device for defining an area on a plane surface

Publications (2)

Publication Number Publication Date
GB8428718D0 true GB8428718D0 (en) 1984-12-27
GB2167015A GB2167015A (en) 1986-05-21

Family

ID=10569704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08428718A Withdrawn GB2167015A (en) 1984-11-14 1984-11-14 Proportional rule device for defining an area on a plane surface

Country Status (1)

Country Link
GB (1) GB2167015A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678725A1 (en) * 1991-07-01 1993-01-08 Herbin Michel Frame for establishing orthogonality relationships
US5551160A (en) * 1994-08-24 1996-09-03 Ferris; Byron S. Calculating graphic scaler
GB0020644D0 (en) * 2000-08-23 2000-10-11 Fordham Paul R Measuring device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934350A (en) * 1974-08-22 1976-01-27 Josten's, Inc. Photo cropping device
US4159130A (en) * 1976-04-02 1979-06-26 Larrabee Louise E Apparatus for standardizing typewriting margins
FR2503421B1 (en) * 1981-04-03 1985-10-25 Baliozian Mardick DEVICE FOR CALCULATING GEOMETRIC CHARACTERISTICS OF RECTANGLES FOR FRAMING VARIOUS OBJECTS
GB2117711A (en) * 1982-04-05 1983-10-19 Jeremy Horwood Device for facilitating proportionment of areas

Also Published As

Publication number Publication date
GB2167015A (en) 1986-05-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)